diff options
Diffstat (limited to 'tools/testing/selftests/iommu/iommufd.c')
| -rw-r--r-- | tools/testing/selftests/iommu/iommufd.c | 541 |
1 files changed, 341 insertions, 200 deletions
diff --git a/tools/testing/selftests/iommu/iommufd.c b/tools/testing/selftests/iommu/iommufd.c index 1926ef6b40ab..3eebf5e3b974 100644 --- a/tools/testing/selftests/iommu/iommufd.c +++ b/tools/testing/selftests/iommu/iommufd.c @@ -766,19 +766,34 @@ TEST_F(iommufd_ioas, get_hw_info) uint8_t max_pasid = 0; /* Provide a zero-size user_buffer */ - test_cmd_get_hw_info(self->device_id, NULL, 0); + test_cmd_get_hw_info(self->device_id, + IOMMU_HW_INFO_TYPE_DEFAULT, NULL, 0); /* Provide a user_buffer with exact size */ - test_cmd_get_hw_info(self->device_id, &buffer_exact, sizeof(buffer_exact)); + test_cmd_get_hw_info(self->device_id, + IOMMU_HW_INFO_TYPE_DEFAULT, &buffer_exact, + sizeof(buffer_exact)); + + /* Request for a wrong data_type, and a correct one */ + test_err_get_hw_info(EOPNOTSUPP, self->device_id, + IOMMU_HW_INFO_TYPE_SELFTEST + 1, + &buffer_exact, sizeof(buffer_exact)); + test_cmd_get_hw_info(self->device_id, + IOMMU_HW_INFO_TYPE_SELFTEST, &buffer_exact, + sizeof(buffer_exact)); /* * Provide a user_buffer with size larger than the exact size to check if * kernel zero the trailing bytes. */ - test_cmd_get_hw_info(self->device_id, &buffer_larger, sizeof(buffer_larger)); + test_cmd_get_hw_info(self->device_id, + IOMMU_HW_INFO_TYPE_DEFAULT, &buffer_larger, + sizeof(buffer_larger)); /* * Provide a user_buffer with size smaller than the exact size to check if * the fields within the size range still gets updated. */ - test_cmd_get_hw_info(self->device_id, &buffer_smaller, sizeof(buffer_smaller)); + test_cmd_get_hw_info(self->device_id, + IOMMU_HW_INFO_TYPE_DEFAULT, + &buffer_smaller, sizeof(buffer_smaller)); test_cmd_get_hw_info_pasid(self->device_id, &max_pasid); ASSERT_EQ(0, max_pasid); if (variant->pasid_capable) { @@ -788,9 +803,11 @@ TEST_F(iommufd_ioas, get_hw_info) } } else { test_err_get_hw_info(ENOENT, self->device_id, - &buffer_exact, sizeof(buffer_exact)); + IOMMU_HW_INFO_TYPE_DEFAULT, &buffer_exact, + sizeof(buffer_exact)); test_err_get_hw_info(ENOENT, self->device_id, - &buffer_larger, sizeof(buffer_larger)); + IOMMU_HW_INFO_TYPE_DEFAULT, &buffer_larger, + sizeof(buffer_larger)); } } @@ -953,6 +970,33 @@ TEST_F(iommufd_ioas, area_auto_iova) test_ioctl_ioas_unmap(iovas[i], PAGE_SIZE * (i + 1)); } +/* https://lore.kernel.org/r/685af644.a00a0220.2e5631.0094.GAE@google.com */ +TEST_F(iommufd_ioas, reserved_overflow) +{ + struct iommu_test_cmd test_cmd = { + .size = sizeof(test_cmd), + .op = IOMMU_TEST_OP_ADD_RESERVED, + .id = self->ioas_id, + .add_reserved.start = 6, + }; + unsigned int map_len; + __u64 iova; + + if (PAGE_SIZE == 4096) { + test_cmd.add_reserved.length = 0xffffffffffff8001; + map_len = 0x5000; + } else { + test_cmd.add_reserved.length = + 0xffffffffffffffff - MOCK_PAGE_SIZE * 16; + map_len = MOCK_PAGE_SIZE * 10; + } + + ASSERT_EQ(0, + ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ADD_RESERVED), + &test_cmd)); + test_err_ioctl_ioas_map(ENOSPC, buffer, map_len, &iova); +} + TEST_F(iommufd_ioas, area_allowed) { struct iommu_test_cmd test_cmd = { @@ -2193,8 +2237,7 @@ TEST_F(iommufd_dirty_tracking, device_dirty_capability) test_cmd_hwpt_alloc(self->idev_id, self->ioas_id, 0, &hwpt_id); test_cmd_mock_domain(hwpt_id, &stddev_id, NULL, NULL); - test_cmd_get_hw_capabilities(self->idev_id, caps, - IOMMU_HW_CAP_DIRTY_TRACKING); + test_cmd_get_hw_capabilities(self->idev_id, caps); ASSERT_EQ(IOMMU_HW_CAP_DIRTY_TRACKING, caps & IOMMU_HW_CAP_DIRTY_TRACKING); @@ -2706,7 +2749,7 @@ FIXTURE_SETUP(iommufd_viommu) /* Allocate a vIOMMU taking refcount of the parent hwpt */ test_cmd_viommu_alloc(self->device_id, self->hwpt_id, - IOMMU_VIOMMU_TYPE_SELFTEST, + IOMMU_VIOMMU_TYPE_SELFTEST, NULL, 0, &self->viommu_id); /* Allocate a regular nested hwpt */ @@ -2745,24 +2788,27 @@ TEST_F(iommufd_viommu, viommu_negative_tests) if (self->device_id) { /* Negative test -- invalid hwpt (hwpt_id=0) */ test_err_viommu_alloc(ENOENT, device_id, 0, - IOMMU_VIOMMU_TYPE_SELFTEST, NULL); + IOMMU_VIOMMU_TYPE_SELFTEST, NULL, 0, + NULL); /* Negative test -- not a nesting parent hwpt */ test_cmd_hwpt_alloc(device_id, ioas_id, 0, &hwpt_id); test_err_viommu_alloc(EINVAL, device_id, hwpt_id, - IOMMU_VIOMMU_TYPE_SELFTEST, NULL); + IOMMU_VIOMMU_TYPE_SELFTEST, NULL, 0, + NULL); test_ioctl_destroy(hwpt_id); /* Negative test -- unsupported viommu type */ test_err_viommu_alloc(EOPNOTSUPP, device_id, self->hwpt_id, - 0xdead, NULL); + 0xdead, NULL, 0, NULL); EXPECT_ERRNO(EBUSY, _test_ioctl_destroy(self->fd, self->hwpt_id)); EXPECT_ERRNO(EBUSY, _test_ioctl_destroy(self->fd, self->viommu_id)); } else { test_err_viommu_alloc(ENOENT, self->device_id, self->hwpt_id, - IOMMU_VIOMMU_TYPE_SELFTEST, NULL); + IOMMU_VIOMMU_TYPE_SELFTEST, NULL, 0, + NULL); } } @@ -2778,35 +2824,66 @@ TEST_F(iommufd_viommu, viommu_alloc_nested_iopf) uint32_t fault_fd; uint32_t vdev_id; - if (self->device_id) { - test_ioctl_fault_alloc(&fault_id, &fault_fd); - test_err_hwpt_alloc_iopf( - ENOENT, dev_id, viommu_id, UINT32_MAX, - IOMMU_HWPT_FAULT_ID_VALID, &iopf_hwpt_id, - IOMMU_HWPT_DATA_SELFTEST, &data, sizeof(data)); - test_err_hwpt_alloc_iopf( - EOPNOTSUPP, dev_id, viommu_id, fault_id, - IOMMU_HWPT_FAULT_ID_VALID | (1 << 31), &iopf_hwpt_id, - IOMMU_HWPT_DATA_SELFTEST, &data, sizeof(data)); - test_cmd_hwpt_alloc_iopf( - dev_id, viommu_id, fault_id, IOMMU_HWPT_FAULT_ID_VALID, - &iopf_hwpt_id, IOMMU_HWPT_DATA_SELFTEST, &data, - sizeof(data)); + if (!dev_id) + SKIP(return, "Skipping test for variant no_viommu"); - /* Must allocate vdevice before attaching to a nested hwpt */ - test_err_mock_domain_replace(ENOENT, self->stdev_id, - iopf_hwpt_id); - test_cmd_vdevice_alloc(viommu_id, dev_id, 0x99, &vdev_id); - test_cmd_mock_domain_replace(self->stdev_id, iopf_hwpt_id); - EXPECT_ERRNO(EBUSY, - _test_ioctl_destroy(self->fd, iopf_hwpt_id)); - test_cmd_trigger_iopf(dev_id, fault_fd); + test_ioctl_fault_alloc(&fault_id, &fault_fd); + test_err_hwpt_alloc_iopf(ENOENT, dev_id, viommu_id, UINT32_MAX, + IOMMU_HWPT_FAULT_ID_VALID, &iopf_hwpt_id, + IOMMU_HWPT_DATA_SELFTEST, &data, sizeof(data)); + test_err_hwpt_alloc_iopf(EOPNOTSUPP, dev_id, viommu_id, fault_id, + IOMMU_HWPT_FAULT_ID_VALID | (1 << 31), + &iopf_hwpt_id, IOMMU_HWPT_DATA_SELFTEST, &data, + sizeof(data)); + test_cmd_hwpt_alloc_iopf(dev_id, viommu_id, fault_id, + IOMMU_HWPT_FAULT_ID_VALID, &iopf_hwpt_id, + IOMMU_HWPT_DATA_SELFTEST, &data, sizeof(data)); - test_cmd_mock_domain_replace(self->stdev_id, self->ioas_id); - test_ioctl_destroy(iopf_hwpt_id); - close(fault_fd); - test_ioctl_destroy(fault_id); - } + /* Must allocate vdevice before attaching to a nested hwpt */ + test_err_mock_domain_replace(ENOENT, self->stdev_id, iopf_hwpt_id); + test_cmd_vdevice_alloc(viommu_id, dev_id, 0x99, &vdev_id); + test_cmd_mock_domain_replace(self->stdev_id, iopf_hwpt_id); + EXPECT_ERRNO(EBUSY, _test_ioctl_destroy(self->fd, iopf_hwpt_id)); + test_cmd_trigger_iopf(dev_id, fault_fd); + + test_cmd_mock_domain_replace(self->stdev_id, self->ioas_id); + test_ioctl_destroy(iopf_hwpt_id); + close(fault_fd); + test_ioctl_destroy(fault_id); +} + +TEST_F(iommufd_viommu, viommu_alloc_with_data) +{ + struct iommu_viommu_selftest data = { + .in_data = 0xbeef, + }; + uint32_t *test; + + if (!self->device_id) + SKIP(return, "Skipping test for variant no_viommu"); + + test_cmd_viommu_alloc(self->device_id, self->hwpt_id, + IOMMU_VIOMMU_TYPE_SELFTEST, &data, sizeof(data), + &self->viommu_id); + ASSERT_EQ(data.out_data, data.in_data); + + /* Negative mmap tests -- offset and length cannot be changed */ + test_err_mmap(ENXIO, data.out_mmap_length, + data.out_mmap_offset + PAGE_SIZE); + test_err_mmap(ENXIO, data.out_mmap_length, + data.out_mmap_offset + PAGE_SIZE * 2); + test_err_mmap(ENXIO, data.out_mmap_length / 2, data.out_mmap_offset); + test_err_mmap(ENXIO, data.out_mmap_length * 2, data.out_mmap_offset); + + /* Now do a correct mmap for a loopback test */ + test = mmap(NULL, data.out_mmap_length, PROT_READ | PROT_WRITE, + MAP_SHARED, self->fd, data.out_mmap_offset); + ASSERT_NE(MAP_FAILED, test); + ASSERT_EQ(data.in_data, *test); + + /* The owner of the mmap region should be blocked */ + EXPECT_ERRNO(EBUSY, _test_ioctl_destroy(self->fd, self->viommu_id)); + munmap(test, data.out_mmap_length); } TEST_F(iommufd_viommu, vdevice_alloc) @@ -2867,169 +2944,234 @@ TEST_F(iommufd_viommu, vdevice_cache) uint32_t vdev_id = 0; uint32_t num_inv; - if (dev_id) { - test_cmd_vdevice_alloc(viommu_id, dev_id, 0x99, &vdev_id); - - test_cmd_dev_check_cache_all(dev_id, - IOMMU_TEST_DEV_CACHE_DEFAULT); - - /* Check data_type by passing zero-length array */ - num_inv = 0; - test_cmd_viommu_invalidate(viommu_id, inv_reqs, - sizeof(*inv_reqs), &num_inv); - assert(!num_inv); - - /* Negative test: Invalid data_type */ - num_inv = 1; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST_INVALID, - sizeof(*inv_reqs), &num_inv); - assert(!num_inv); + if (!dev_id) + SKIP(return, "Skipping test for variant no_viommu"); + + test_cmd_vdevice_alloc(viommu_id, dev_id, 0x99, &vdev_id); + + test_cmd_dev_check_cache_all(dev_id, IOMMU_TEST_DEV_CACHE_DEFAULT); + + /* Check data_type by passing zero-length array */ + num_inv = 0; + test_cmd_viommu_invalidate(viommu_id, inv_reqs, sizeof(*inv_reqs), + &num_inv); + assert(!num_inv); + + /* Negative test: Invalid data_type */ + num_inv = 1; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST_INVALID, + sizeof(*inv_reqs), &num_inv); + assert(!num_inv); + + /* Negative test: structure size sanity */ + num_inv = 1; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs) + 1, &num_inv); + assert(!num_inv); + + num_inv = 1; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, 1, + &num_inv); + assert(!num_inv); + + /* Negative test: invalid flag is passed */ + num_inv = 1; + inv_reqs[0].flags = 0xffffffff; + inv_reqs[0].vdev_id = 0x99; + test_err_viommu_invalidate(EOPNOTSUPP, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs), &num_inv); + assert(!num_inv); + + /* Negative test: invalid data_uptr when array is not empty */ + num_inv = 1; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + test_err_viommu_invalidate(EINVAL, viommu_id, NULL, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs), &num_inv); + assert(!num_inv); + + /* Negative test: invalid entry_len when array is not empty */ + num_inv = 1; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, 0, + &num_inv); + assert(!num_inv); + + /* Negative test: invalid cache_id */ + num_inv = 1; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + inv_reqs[0].cache_id = MOCK_DEV_CACHE_ID_MAX + 1; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs), &num_inv); + assert(!num_inv); + + /* Negative test: invalid vdev_id */ + num_inv = 1; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x9; + inv_reqs[0].cache_id = 0; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs), &num_inv); + assert(!num_inv); - /* Negative test: structure size sanity */ - num_inv = 1; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs) + 1, &num_inv); - assert(!num_inv); - - num_inv = 1; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - 1, &num_inv); - assert(!num_inv); - - /* Negative test: invalid flag is passed */ - num_inv = 1; - inv_reqs[0].flags = 0xffffffff; - inv_reqs[0].vdev_id = 0x99; - test_err_viommu_invalidate(EOPNOTSUPP, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs), &num_inv); - assert(!num_inv); - - /* Negative test: invalid data_uptr when array is not empty */ - num_inv = 1; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - test_err_viommu_invalidate(EINVAL, viommu_id, NULL, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs), &num_inv); - assert(!num_inv); - - /* Negative test: invalid entry_len when array is not empty */ - num_inv = 1; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - 0, &num_inv); - assert(!num_inv); - - /* Negative test: invalid cache_id */ - num_inv = 1; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - inv_reqs[0].cache_id = MOCK_DEV_CACHE_ID_MAX + 1; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs), &num_inv); - assert(!num_inv); + /* + * Invalidate the 1st cache entry but fail the 2nd request + * due to invalid flags configuration in the 2nd request. + */ + num_inv = 2; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + inv_reqs[0].cache_id = 0; + inv_reqs[1].flags = 0xffffffff; + inv_reqs[1].vdev_id = 0x99; + inv_reqs[1].cache_id = 1; + test_err_viommu_invalidate(EOPNOTSUPP, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs), &num_inv); + assert(num_inv == 1); + test_cmd_dev_check_cache(dev_id, 0, 0); + test_cmd_dev_check_cache(dev_id, 1, IOMMU_TEST_DEV_CACHE_DEFAULT); + test_cmd_dev_check_cache(dev_id, 2, IOMMU_TEST_DEV_CACHE_DEFAULT); + test_cmd_dev_check_cache(dev_id, 3, IOMMU_TEST_DEV_CACHE_DEFAULT); - /* Negative test: invalid vdev_id */ - num_inv = 1; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x9; - inv_reqs[0].cache_id = 0; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs), &num_inv); - assert(!num_inv); + /* + * Invalidate the 1st cache entry but fail the 2nd request + * due to invalid cache_id configuration in the 2nd request. + */ + num_inv = 2; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + inv_reqs[0].cache_id = 0; + inv_reqs[1].flags = 0; + inv_reqs[1].vdev_id = 0x99; + inv_reqs[1].cache_id = MOCK_DEV_CACHE_ID_MAX + 1; + test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, + IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, + sizeof(*inv_reqs), &num_inv); + assert(num_inv == 1); + test_cmd_dev_check_cache(dev_id, 0, 0); + test_cmd_dev_check_cache(dev_id, 1, IOMMU_TEST_DEV_CACHE_DEFAULT); + test_cmd_dev_check_cache(dev_id, 2, IOMMU_TEST_DEV_CACHE_DEFAULT); + test_cmd_dev_check_cache(dev_id, 3, IOMMU_TEST_DEV_CACHE_DEFAULT); + + /* Invalidate the 2nd cache entry and verify */ + num_inv = 1; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + inv_reqs[0].cache_id = 1; + test_cmd_viommu_invalidate(viommu_id, inv_reqs, sizeof(*inv_reqs), + &num_inv); + assert(num_inv == 1); + test_cmd_dev_check_cache(dev_id, 0, 0); + test_cmd_dev_check_cache(dev_id, 1, 0); + test_cmd_dev_check_cache(dev_id, 2, IOMMU_TEST_DEV_CACHE_DEFAULT); + test_cmd_dev_check_cache(dev_id, 3, IOMMU_TEST_DEV_CACHE_DEFAULT); + + /* Invalidate the 3rd and 4th cache entries and verify */ + num_inv = 2; + inv_reqs[0].flags = 0; + inv_reqs[0].vdev_id = 0x99; + inv_reqs[0].cache_id = 2; + inv_reqs[1].flags = 0; + inv_reqs[1].vdev_id = 0x99; + inv_reqs[1].cache_id = 3; + test_cmd_viommu_invalidate(viommu_id, inv_reqs, sizeof(*inv_reqs), + &num_inv); + assert(num_inv == 2); + test_cmd_dev_check_cache_all(dev_id, 0); + + /* Invalidate all cache entries for nested_dev_id[1] and verify */ + num_inv = 1; + inv_reqs[0].vdev_id = 0x99; + inv_reqs[0].flags = IOMMU_TEST_INVALIDATE_FLAG_ALL; + test_cmd_viommu_invalidate(viommu_id, inv_reqs, sizeof(*inv_reqs), + &num_inv); + assert(num_inv == 1); + test_cmd_dev_check_cache_all(dev_id, 0); + test_ioctl_destroy(vdev_id); +} + +TEST_F(iommufd_viommu, hw_queue) +{ + __u64 iova = MOCK_APERTURE_START, iova2; + uint32_t viommu_id = self->viommu_id; + uint32_t hw_queue_id[2]; + + if (!viommu_id) + SKIP(return, "Skipping test for variant no_viommu"); + + /* Fail IOMMU_HW_QUEUE_TYPE_DEFAULT */ + test_err_hw_queue_alloc(EOPNOTSUPP, viommu_id, + IOMMU_HW_QUEUE_TYPE_DEFAULT, 0, iova, PAGE_SIZE, + &hw_queue_id[0]); + /* Fail queue addr and length */ + test_err_hw_queue_alloc(EINVAL, viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, + 0, iova, 0, &hw_queue_id[0]); + test_err_hw_queue_alloc(EOVERFLOW, viommu_id, + IOMMU_HW_QUEUE_TYPE_SELFTEST, 0, ~(uint64_t)0, + PAGE_SIZE, &hw_queue_id[0]); + /* Fail missing iova */ + test_err_hw_queue_alloc(ENOENT, viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, + 0, iova, PAGE_SIZE, &hw_queue_id[0]); + + /* Map iova */ + test_ioctl_ioas_map(buffer, PAGE_SIZE, &iova); + test_ioctl_ioas_map(buffer + PAGE_SIZE, PAGE_SIZE, &iova2); + + /* Fail index=1 and =MAX; must start from index=0 */ + test_err_hw_queue_alloc(EIO, viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, 1, + iova, PAGE_SIZE, &hw_queue_id[0]); + test_err_hw_queue_alloc(EINVAL, viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, + IOMMU_TEST_HW_QUEUE_MAX, iova, PAGE_SIZE, + &hw_queue_id[0]); + + /* Allocate index=0, declare ownership of the iova */ + test_cmd_hw_queue_alloc(viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, 0, + iova, PAGE_SIZE, &hw_queue_id[0]); + /* Fail duplicated index */ + test_err_hw_queue_alloc(EEXIST, viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, + 0, iova, PAGE_SIZE, &hw_queue_id[0]); + /* Fail unmap, due to iova ownership */ + test_err_ioctl_ioas_unmap(EBUSY, iova, PAGE_SIZE); + /* The 2nd page is not pinned, so it can be unmmap */ + test_ioctl_ioas_unmap(iova2, PAGE_SIZE); + + /* Allocate index=1, with an unaligned case */ + test_cmd_hw_queue_alloc(viommu_id, IOMMU_HW_QUEUE_TYPE_SELFTEST, 1, + iova + PAGE_SIZE / 2, PAGE_SIZE / 2, + &hw_queue_id[1]); + /* Fail to destroy, due to dependency */ + EXPECT_ERRNO(EBUSY, _test_ioctl_destroy(self->fd, hw_queue_id[0])); + + /* Destroy in descending order */ + test_ioctl_destroy(hw_queue_id[1]); + test_ioctl_destroy(hw_queue_id[0]); + /* Now it can unmap the first page */ + test_ioctl_ioas_unmap(iova, PAGE_SIZE); +} - /* - * Invalidate the 1st cache entry but fail the 2nd request - * due to invalid flags configuration in the 2nd request. - */ - num_inv = 2; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - inv_reqs[0].cache_id = 0; - inv_reqs[1].flags = 0xffffffff; - inv_reqs[1].vdev_id = 0x99; - inv_reqs[1].cache_id = 1; - test_err_viommu_invalidate(EOPNOTSUPP, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs), &num_inv); - assert(num_inv == 1); - test_cmd_dev_check_cache(dev_id, 0, 0); - test_cmd_dev_check_cache(dev_id, 1, - IOMMU_TEST_DEV_CACHE_DEFAULT); - test_cmd_dev_check_cache(dev_id, 2, - IOMMU_TEST_DEV_CACHE_DEFAULT); - test_cmd_dev_check_cache(dev_id, 3, - IOMMU_TEST_DEV_CACHE_DEFAULT); +TEST_F(iommufd_viommu, vdevice_tombstone) +{ + uint32_t viommu_id = self->viommu_id; + uint32_t dev_id = self->device_id; + uint32_t vdev_id = 0; - /* - * Invalidate the 1st cache entry but fail the 2nd request - * due to invalid cache_id configuration in the 2nd request. - */ - num_inv = 2; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - inv_reqs[0].cache_id = 0; - inv_reqs[1].flags = 0; - inv_reqs[1].vdev_id = 0x99; - inv_reqs[1].cache_id = MOCK_DEV_CACHE_ID_MAX + 1; - test_err_viommu_invalidate(EINVAL, viommu_id, inv_reqs, - IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST, - sizeof(*inv_reqs), &num_inv); - assert(num_inv == 1); - test_cmd_dev_check_cache(dev_id, 0, 0); - test_cmd_dev_check_cache(dev_id, 1, - IOMMU_TEST_DEV_CACHE_DEFAULT); - test_cmd_dev_check_cache(dev_id, 2, - IOMMU_TEST_DEV_CACHE_DEFAULT); - test_cmd_dev_check_cache(dev_id, 3, - IOMMU_TEST_DEV_CACHE_DEFAULT); - - /* Invalidate the 2nd cache entry and verify */ - num_inv = 1; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - inv_reqs[0].cache_id = 1; - test_cmd_viommu_invalidate(viommu_id, inv_reqs, - sizeof(*inv_reqs), &num_inv); - assert(num_inv == 1); - test_cmd_dev_check_cache(dev_id, 0, 0); - test_cmd_dev_check_cache(dev_id, 1, 0); - test_cmd_dev_check_cache(dev_id, 2, - IOMMU_TEST_DEV_CACHE_DEFAULT); - test_cmd_dev_check_cache(dev_id, 3, - IOMMU_TEST_DEV_CACHE_DEFAULT); - - /* Invalidate the 3rd and 4th cache entries and verify */ - num_inv = 2; - inv_reqs[0].flags = 0; - inv_reqs[0].vdev_id = 0x99; - inv_reqs[0].cache_id = 2; - inv_reqs[1].flags = 0; - inv_reqs[1].vdev_id = 0x99; - inv_reqs[1].cache_id = 3; - test_cmd_viommu_invalidate(viommu_id, inv_reqs, - sizeof(*inv_reqs), &num_inv); - assert(num_inv == 2); - test_cmd_dev_check_cache_all(dev_id, 0); + if (!dev_id) + SKIP(return, "Skipping test for variant no_viommu"); - /* Invalidate all cache entries for nested_dev_id[1] and verify */ - num_inv = 1; - inv_reqs[0].vdev_id = 0x99; - inv_reqs[0].flags = IOMMU_TEST_INVALIDATE_FLAG_ALL; - test_cmd_viommu_invalidate(viommu_id, inv_reqs, - sizeof(*inv_reqs), &num_inv); - assert(num_inv == 1); - test_cmd_dev_check_cache_all(dev_id, 0); - test_ioctl_destroy(vdev_id); - } + test_cmd_vdevice_alloc(viommu_id, dev_id, 0x99, &vdev_id); + test_ioctl_destroy(self->stdev_id); + EXPECT_ERRNO(ENOENT, _test_ioctl_destroy(self->fd, vdev_id)); } FIXTURE(iommufd_device_pasid) @@ -3123,8 +3265,7 @@ TEST_F(iommufd_device_pasid, pasid_attach) /* Allocate a regular nested hwpt based on viommu */ test_cmd_viommu_alloc(self->device_id, parent_hwpt_id, - IOMMU_VIOMMU_TYPE_SELFTEST, - &viommu_id); + IOMMU_VIOMMU_TYPE_SELFTEST, NULL, 0, &viommu_id); test_cmd_hwpt_alloc_nested(self->device_id, viommu_id, IOMMU_HWPT_ALLOC_PASID, &nested_hwpt_id[2], |